NDLI: High efficient thin film CdTe solar cells

Content Provider	IEEE Xplore Digital Library
Author	Ruilong Yang Zhizhong Bai Dezhao Wang Deliang Wang
Copyright Year	2013
Description	Author affiliation: Hefei Nat. Lab. for Phys. Sci. at the Microscale, Univ. of Sci. & Technol. of China, Hefei, China (Ruilong Yang; Zhizhong Bai; Dezhao Wang; Deliang Wang)
Abstract	CdTe thin film solar cell with an absorber layer as thin as 0.5 μm was fabricated. An efficiency of 7.9 % was obtained for a 1-μm-thick CdTe solar cell. The experimental results presented in this study demonstrated that 1-μm-thick absorber layer is thick enough to fabricate CdTe solar cell with a decent efficiency. Formation of mono-grain CdS layer with grain size in submicron was fabricated. Heat treatment of a CdS precursor layer coated with a $CdCl_{2}$ layer and under a high $CdCl_{2}$ vapor pressure reduced oxide formation at the grain surface and promoted grain coalescence. High crystalline quality mono-grain CdS layer ensured homogenous intermixing of CdS and CdTe at the CdS/CdTe interface. A saturated junction leakage current in the order of $10^{-10}$ $A/cm^{2}$ and a short-circuit current as high as 25.1 $cm/cm^{2}$ were obtained for a mono-grain-CdS/CdTe solar cell. The corresponding solar cell efficiency is 14.6%.
Sponsorship	IEEE Electron Devices Soc.
Starting Page	341
Ending Page	344
File Size	318509
Page Count	4
File Format	PDF
ISBN	9781467346665
e-ISBN	9781467346689
e-ISBN	9781467346672
DOI	10.1109/CDE.2013.6481412
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-02-12
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic cells Films Junctions Coatings Absorption Surface treatment Morphology efficiency CdTe solar cell CdS
Content Type	Text
Resource Type	Article

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